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Yield and income risk‐efficiency analysis of alternative systems for rice production in the Guinea Savannah of Northern Ghana

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  • Augustine S. Langyintuo
  • Emmanuel K. Yiridoe
  • Wilson Dogbe
  • James Lowenberg‐Deboer

Abstract

Risk efficiency of rice grain yield and returns to farm operators' household resources generated from an improved short‐duration cover crop fallow system were compared with (traditional) natural bush fallow, and continuous rice‐cropping systems. The improved fallow system involved maintaining Calopogonium mucunoides, seeded into a natural bush fallow for 2 years before planting to rice. With no chemical fertilizer application, which reflects farmers' practice in the area, average grain yield for continuous rice (1,185 kg/ha) and the cropping sequence incorporating a natural bush fallow (1,175 kg/ha) did not differ, but were higher for the improved fallow system (1,304 kg/ha). This suggests that nutrient contribution from the leguminous cover crop made up for critical crop N requirements in the improved fallow. Stochastic dominance of grain yield distributions from the improved fallow system, relative to the other two cropping systems, was more dramatic with no N fertilizer application compared to treatments with 30 kg/ha N. Average returns were highest for the improved fallow system, followed by the natural bush fallow‐cropping system, and then continuous rice, under the no N fertilizer treatment regime. With 30 kg/ha N fertilizer, income risk efficiency was less clear (compared to treatments with no N fertilizer), especially between continuous rice and the improved fallow treatment, because of faster N mineralization effects on continuous rice. In contrast, the improved cover crop fallow system completely dominated the natural bush fallow treatment under both fertilizer regimes. Rice production systems that incorporated the leguminous cover crop fallow were superior to the natural bush fallow system, based on both grain yield and average farm income risk‐efficiency considerations.

Suggested Citation

  • Augustine S. Langyintuo & Emmanuel K. Yiridoe & Wilson Dogbe & James Lowenberg‐Deboer, 2005. "Yield and income risk‐efficiency analysis of alternative systems for rice production in the Guinea Savannah of Northern Ghana," Agricultural Economics, International Association of Agricultural Economists, vol. 32(2), pages 141-150, March.
    • Handle: RePEc:bla:agecon:v:32:y:2005:i:2:p:141-150
    DOI: 10.1111/j.0169-5150.2005.00013.x
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    References listed on IDEAS

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    1. Emmanuel K. Yiridoe & Alfons Weersink & David C. Hooker & Tony J. Vyn & Clarence Swanton, 2000. "Income Risk Analysis of Alternative Tillage Systems for Corn and Soybean Production on Clay Soils," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 48(2), pages 161-174, July.
    2. Rhodes, E. R., 1995. "Nutrient depletion by food crops in Ghana and soil organic nitrogen management," Agricultural Systems, Elsevier, vol. 48(1), pages 101-118.
    3. Hien, Victor & Kabore, Daniel & Youl, Sansan & Lowenberg-DeBoer, J., 1997. "Stochastic dominance analysis of on-farm-trial data: The riskiness of alternative phosphate sources in Burkina Faso," Agricultural Economics, Blackwell, vol. 15(3), pages 213-221, January.
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    1. Abatania, Luke N. & Hailu, Atakelty & Mugera, Amin W., 2012. "Analysis of farm household technical efficiency in Northern Ghana using bootstrap DEA," 2012 Conference (56th), February 7-10, 2012, Fremantle, Australia 124211, Australian Agricultural and Resource Economics Society.
    2. Wauters, Erwin & De Cock, Lieve & Wit, Jan de & Lauwers, Ludwig H., 2011. "The foregone risk premium: a communicative and practical method for the evaluation of risk-return profiles in agriculture," 2011 International Congress, August 30-September 2, 2011, Zurich, Switzerland 115737, European Association of Agricultural Economists.
    3. Yiridoe, Emmanuel K. & Langyintuo, Augustine S. & Dogbe, Wilson, 2006. "Economics of the impact of alternative rice cropping systems on subsistence farming: Whole-farm analysis in northern Ghana," Agricultural Systems, Elsevier, vol. 91(1-2), pages 102-121, November.

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